:root{
  --primary: #1B7F5B;
  --primary-dark: #156849;
  --light-green: #E8F5F0;

  --dark: #2C3E50;
  --text: #5A6C7D;

  --bg: #FFFFFF;
  --card-bg: #FFFFFF;
  --border: #E1E8ED;
  --soft: #F7F9FA;

  --success: #10A37F;
  --danger: #DC2626;

  --shadow-1: 0 4px 6px rgba(0,0,0,0.07), 0 10px 15px rgba(0,0,0,0.05);
  --ease: cubic-bezier(0.4, 0.0, 0.2, 1);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page{
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.header{
  text-align: center;
  margin: 28px auto 32px;
  max-width: 680px;
}

h1{
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.subhead{
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}

.card{
  max-width: 520px;
  margin: 0 auto 48px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-1);
  padding: 40px;
  border: 1px solid rgba(225,232,237,0.6);
}

.field{ margin-bottom: 20px; }

label{
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
}

input{
  width: 100%;
  height: 48px;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
  background: #fff;
  color: var(--dark);
}

input:focus{
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--light-green);
}

.helper{
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--text);
}

.btn{
  width: 100%;
  height: 52px;
  border: none;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
  margin-top: 8px;
}

.btn:hover{
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(27,127,91,0.25);
}
.btn:active{ transform: translateY(0); }

.result{
  background: var(--light-green);
  border-left: 4px solid var(--primary);
  padding: 24px;
  border-radius: 8px;
  margin-top: 24px;
  animation: reveal 300ms var(--ease) both;
}

@keyframes reveal{
  from{ opacity: 0; transform: translateY(6px); }
  to{ opacity: 1; transform: translateY(0); }
}

.resultRow{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.resultLabel{
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}

.resultValue{
  font-size: 36px;
  font-weight: 700;
  color: var(--success);
  letter-spacing: -0.02em;
}

.sar{
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-left: 6px;
}

.resultMeta{
  margin-top: 10px;
  font-size: 14px;
  color: var(--text);
}

.muted{ opacity: 0.92; }
.small{ font-size: 13px; }

.error{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid rgba(220,38,38,0.25);
  background: rgba(220,38,38,0.06);
  color: #7f1d1d;
  font-size: 14px;
}

.linkBtn{
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--primary-dark);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.breakdown{
  margin-top: 14px;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(225,232,237,0.8);
  border-radius: 10px;
  padding: 14px 14px 10px;
}

.breakdownHead{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--dark);
  font-weight: 700;
}

.pill{
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--soft);
  border: 1px solid rgba(225,232,237,0.9);
  color: var(--dark);
}

#breakdownList{
  margin: 0;
  padding-left: 18px;
}

#breakdownList li{
  margin: 8px 0;
  line-height: 1.45;
}

.info{
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px;
  background: transparent;
}

h2{
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 600;
  color: var(--dark);
}

ul{
  margin: 0 0 12px;
  padding-left: 20px;
}
li{ margin: 8px 0; }

.disclaimer{
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--text);
}

.footer{
  text-align: center;
  padding: 28px 0 10px;
  font-size: 14px;
  color: var(--text);
}

@media (max-width: 640px){
  .page{ padding: 16px; }
  .card{ padding: 20px; }
  h1{ font-size: 28px; }
  .resultValue{ font-size: 32px; }
}
.lang-toggle {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 12px;
}

.lang-toggle button {
  border: 1px solid #ccc;
  background: #fff;
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 6px;
  font-weight: 600;
}

.lang-toggle button.active {
  background: #1B7F5B;
  color: #fff;
  border-color: #1B7F5B;
}

html[dir="rtl"] {
  text-align: right;
}

html[dir="rtl"] .resultRow {
  flex-direction: row-reverse;
}